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甲酰四氢叶酸钙是四氢叶酸的活性形式之一 ,可直接起辅酶的作用。主要用于急性淋巴细胞白血病 (急淋 )患者大剂量甲氨喋呤 (ＨＤＭＴＸ)化疗时的解救。有的认为大量少次给药解救疗效较好 ,有的认为少量多次给药解救疗效好。为了观察不同方法甲酰四氢叶酸钙解救急淋ＨＤＭＴＸ化
Calcium leucovorin is one of the active forms of tetrahydrofolate, which acts directly as a coenzyme. Mainly used in acute lymphoblastic leukemia (acute lymphoblastic) patients with high-dose methotrexate (HDMTX) chemotherapy rescue. Some believe that a large number of small doses to save the rescue effect is better, and some think that a small amount of multiple drug rescue effective. In order to observe the different methods of levofloxacin rescue leaching HDMTX